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RT450

País: Italia Marca: Zenith (Tubes); Monza Tipo:  SPECIAL TUBE, other or unknown  Idéntica a RT450 Base Europe 7-Pin C7A (Hx C, C7, C) 1933 Top contact with a cap. Filamento Vf 4 Volt / If 3 Ampere / Half indirect / Specified voltage AC/DC Descripción Full Wave Rectifier + Output Pentode Full-Wave Rectifier 2 x 400V rms; 70mA mean dc. Pentode:- Va<250; Pa<10.75W Typically:- Pout 3.3W at Va=250, Vg=-20; Ia=36mA; gm=2.5mA/V; Rint=60k   Literatura -- Collector info (Sammler)    RT450: II manuale del radiomeccanico-VolumeI-III edizione G.B. Angeletti (1939) Adrian Riesen RT450: D.E. Ravalico, Il Radiolibro Alessandro De Poi Mas ... Just Qvigstad RT450: D.E. Ravalico, Il Radiolibro, Hoepli Alessandro De Poi Mas ... Uso en Modelos 2= 1934? ; 4= 1934 ; 1= 1935?? Número de modelos en Radiomuseum.org con esta válvula:7 Colección personal de Enrico Puccini (I) Alessandro De Poi (I)

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Entradas: 3493     Réplicas: 0 Tube RT450 (RT450) Zenith Italy

Alessandro De Poi 17.May.07

1 Tube RT450 (RT450) Zenith Italy  Characteristics of diode section: Indirect heating Heater voltage: 4V Heater current: 3A Max plate voltage: 2x400V Max plate DC current: 70 mA Characteristics of pentode section: Indirect heating Heater voltage: 4V Heater current: 3A Max plate voltage: 250V Max screen grid voltage: 250V Control grid voltage: -20V Plate current: 36 mA Screen grid  current: 7 mA Internal resistance: 60000 ohm Transconductance: 2,5 mA/V Gain factor: 150 Max anode dissipation: 10,75 W Max undistorted output power: 3,3 W Source: this page.

 

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